Home / 527,019.37-727,286.96-285,301.93

Finding the Fourth Proportional to 527,019.37, 727,286.96 and 285,301.93

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Solution

The fourth proportional to 527,019.37, 727,286.96 and 285,301.93 is: 393,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,019.37 : 727,286.96 = 285,301.93 : x
  2. Step 2: Convert to fraction form
    527,019.37/727,286.96 = 285,301.93/x
  3. Step 3: Cross multiply
    527,019.37x = 727,286.96 × 285,301.93
  4. Step 4: Simplify right side
    527,019.37x = 207,496,377,079.98
  5. Step 5: Solve for x
    x = 207,496,377,079.98/527,019.37
  6. Step 6: Final answer
    x = 393,716.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.